Description & Operation: Inputs: Xterra

With the key switch in the "INSERTED" (key is in ignition key cylinder) position, power is supplied through key switch terminal No. 2 to SECU terminal No. 25.

With left front door open, ground is supplied to SECU terminal No. 1 through left front door switch terminal No. 2, left front door switch terminal No. 3 and body grounds B6 (located in left rear corner panel) and B10 (located under left rear seat).

With right front door open, ground is supplied to SECU terminal No. 2, through right front door switch positive terminal.

With left or right rear door open, ground is supplied to SECU terminal No. 3 (with vehicle security system) or terminal No. 2 (without vehicle security system), through left or right rear door switch positive terminal.

With the back door open, ground is supplied to SECU terminal No. 3 (with vehicle security system) or terminal No. 2 (without vehicle security system), through back door switch positive terminal, back door switch negative terminal and body grounds D402 and D404 (both located behind corner panel trim).

The remote keyless entry system controls operation of the power door locks, panic alarm and hazard reminder.